Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4595698 | Physiologically active substance, arphamenine and production thereof | Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Masaaki Ishizuka | 1986-06-17 |
| 4474764 | 3-Amino-2-hydroxy-4-phenylbutanoic acid derivatives and pharmaceutical composition containing the same | Hamao Umezawa, Tomio Takeuchi, Mitsugu Hachisu, Kenji Kawamura, Shunzo Fukatsu +1 more | 1984-10-02 |
| 4473554 | Bestatin-related compounds as immunopotentiator | Hamao Umezawa, Tomio Takeuchi, Kenji Kawamura, Shunzo Fukatsu | 1984-09-25 |
| 4453003 | Process for producing threo-3-amino-2-hydroxy-butanoyl-aminoacetic acids as well as novel intermediates therefor and process for producing them | Hamao Umezawa, Tadashi Shirai, Rinzo Nishizawa, Masao Suzuki, Tetsushi Saino | 1984-06-05 |
| 4401594 | L-Argininal derivatives and a method of manufacturing the same | Hamao Umezawa, Tomio Takeuchi, Shinichi Ishii, Tetsushi Saino, Tetsuya Someno | 1983-08-30 |
| 4395402 | Analgesic agent | Hamao Umezawa, Tomio Takeuchi, Mitsugu Hachisu, Kenji Kawamura, Shunzo Fukatsu +1 more | 1983-07-26 |
| 4391986 | Process for producing threo-3-amino-2-hydroxybutanoyl-aminoacetic acids, as well as novel intermediates therefor and process for producing them | Hamao Umezawa, Tadashi Shirai, Rinzo Nishizawa, Masao Suzuki, Tetsushi Saino | 1983-07-05 |
| 4370318 | Bestatin-related compounds as immunopotentiator | Hamao Umezawa, Tomio Takeuchi, Kenji Kawamura, Shunzo Fukatsu | 1983-01-25 |
| 4358602 | Ebelactones and production thereof | Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Shinichi Kondo, Masaaki Ishizuka | 1982-11-09 |
| 4335250 | Compound with immunopotentiating activity and production and uses thereof | Hamao Umezawa, Tomio Takeuchi, Masaaki Ishizuka, Hajime Morishima, Takuzo Yamamoto +3 more | 1982-06-15 |
| 4318847 | Physiologically active tetrapeptides | Hamao Umezawa, Tomio Takeuchi, Taiji Inui | 1982-03-09 |
| 4281180 | Process for producing threo-3-amino-2-hydroxybutanoyl-aminoacetic acids, as well as novel intermediated therefor and process for producing them | Hamao Umezawa, Tadashi Shirai, Rinzo Nishizawa, Masao Suzuki, Tetsushi Saino | 1981-07-28 |
| 4242453 | Cultivating streptomyces to produce an esterase inhibitor | Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Masaaki Ishizuka | 1980-12-30 |
| 4240975 | Bestatin | Hamao Umezawa, Tomohisa Takita, Rinzo Nishizawa, Tetsushi Saino | 1980-12-23 |
| 4238507 | Pharmacological compound with immunopotentiating activity and production and uses thereof | Hamao Umezawa, Tomio Takeuchi, Masaaki Ishizuka, Hajime Morishima, Ikuo Matsumoto +1 more | 1980-12-09 |
| 4202824 | Physiologically active derivatives of esterastin | Hamao Umezawa, Tomio Takeuchi | 1980-05-13 |
| 4189438 | Physiologically active substance esterastin | Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Masaaki Ishizuka | 1980-02-19 |
| 4189604 | Bestatin | Hamao Umezawa, Tomohisa Takita, Rinzo Nishizawa, Tetsushi Saino | 1980-02-19 |
| 4185156 | Peptides and acid addition salts thereof | Hamao Umezawa, Tomio Takeuchi, Tetsushi Saino, Michinori Koyama | 1980-01-22 |